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authorDaniel Hellstrom <daniel@gaisler.com>2008-03-28 09:47:00 +0100
committerDaniel Hellstrom <daniel@gaisler.com>2008-04-08 07:58:32 +0000
commitc2f02da21a3f37f0878554eebc785e04fdc4e128 (patch)
tree169e423067d8298e0568ff7b13c5419185008b38 /include/asm-sparc/stack.h
parentaeff6d503b6006573d5c6b04fc658a64bebee5fa (diff)
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SPARC: Added generic support for SPARC architecture.
Signed-off-by: Daniel Hellstrom <daniel@gaisler.com>
Diffstat (limited to 'include/asm-sparc/stack.h')
-rw-r--r--include/asm-sparc/stack.h162
1 files changed, 162 insertions, 0 deletions
diff --git a/include/asm-sparc/stack.h b/include/asm-sparc/stack.h
new file mode 100644
index 0000000..b40a9f3
--- /dev/null
+++ b/include/asm-sparc/stack.h
@@ -0,0 +1,162 @@
+/* SPARC stack layout Macros and structures,
+ * mainly taken from BCC (the Bare C compiler for
+ * SPARC LEON2/3) sources.
+ *
+ * (C) Copyright 2007
+ * Daniel Hellstrom, Gaisler Research, daniel@gaisler.com.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ *
+ */
+
+#ifndef __SPARC_STACK_H__
+#define __SPARC_STACK_H__
+
+#include <asm/ptrace.h>
+
+#ifndef __ASSEMBLER__
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define PT_REGS_SZ sizeof(struct pt_regs)
+
+/* A Sparc stack frame */
+ struct sparc_stackframe_regs {
+ unsigned long sf_locals[8];
+ unsigned long sf_ins[6];
+ struct sparc_stackframe_regs *sf_fp;
+ unsigned long sf_callers_pc;
+ char *sf_structptr;
+ unsigned long sf_xargs[6];
+ unsigned long sf_xxargs[1];
+ };
+#define SF_REGS_SZ sizeof(struct sparc_stackframe_regs)
+
+/* A register window */
+ struct sparc_regwindow_regs {
+ unsigned long locals[8];
+ unsigned long ins[8];
+ };
+#define RW_REGS_SZ sizeof(struct sparc_regwindow_regs)
+
+/* A fpu window */
+ struct sparc_fpuwindow_regs {
+ unsigned long locals[32];
+ unsigned long fsr;
+ unsigned long lastctx;
+ };
+#define FW_REGS_SZ sizeof(struct sparc_fpuwindow_regs)
+
+#ifdef __cplusplus
+}
+#endif
+#else
+#define PT_REGS_SZ 0x50 /* 20*4 */
+#define SF_REGS_SZ 0x60 /* 24*4 */
+#define RW_REGS_SZ 0x20 /* 16*4 */
+#define FW_REGS_SZ 0x88 /* 34*4 */
+#endif /* !ASM */
+
+/* These are for pt_regs. */
+#define PT_PSR 0x0
+#define PT_PC 0x4
+#define PT_NPC 0x8
+#define PT_Y 0xc
+#define PT_G0 0x10
+#define PT_WIM PT_G0
+#define PT_G1 0x14
+#define PT_G2 0x18
+#define PT_G3 0x1c
+#define PT_G4 0x20
+#define PT_G5 0x24
+#define PT_G6 0x28
+#define PT_G7 0x2c
+#define PT_I0 0x30
+#define PT_I1 0x34
+#define PT_I2 0x38
+#define PT_I3 0x3c
+#define PT_I4 0x40
+#define PT_I5 0x44
+#define PT_I6 0x48
+#define PT_FP PT_I6
+#define PT_I7 0x4c
+
+/* Stack_frame offsets */
+#define SF_L0 0x00
+#define SF_L1 0x04
+#define SF_L2 0x08
+#define SF_L3 0x0c
+#define SF_L4 0x10
+#define SF_L5 0x14
+#define SF_L6 0x18
+#define SF_L7 0x1c
+#define SF_I0 0x20
+#define SF_I1 0x24
+#define SF_I2 0x28
+#define SF_I3 0x2c
+#define SF_I4 0x30
+#define SF_I5 0x34
+#define SF_FP 0x38
+#define SF_PC 0x3c
+#define SF_RETP 0x40
+#define SF_XARG0 0x44
+#define SF_XARG1 0x48
+#define SF_XARG2 0x4c
+#define SF_XARG3 0x50
+#define SF_XARG4 0x54
+#define SF_XARG5 0x58
+#define SF_XXARG 0x5c
+
+/* Reg_window offsets */
+#define RW_L0 0x00
+#define RW_L1 0x04
+#define RW_L2 0x08
+#define RW_L3 0x0c
+#define RW_L4 0x10
+#define RW_L5 0x14
+#define RW_L6 0x18
+#define RW_L7 0x1c
+#define RW_I0 0x20
+#define RW_I1 0x24
+#define RW_I2 0x28
+#define RW_I3 0x2c
+#define RW_I4 0x30
+#define RW_I5 0x34
+#define RW_I6 0x38
+#define RW_I7 0x3c
+
+/* Fpu_window offsets */
+#define FW_F0 0x00
+#define FW_F2 0x08
+#define FW_F4 0x10
+#define FW_F6 0x18
+#define FW_F8 0x20
+#define FW_F10 0x28
+#define FW_F12 0x30
+#define FW_F14 0x38
+#define FW_F16 0x40
+#define FW_F18 0x48
+#define FW_F20 0x50
+#define FW_F22 0x58
+#define FW_F24 0x60
+#define FW_F26 0x68
+#define FW_F28 0x70
+#define FW_F30 0x78
+#define FW_FSR 0x80
+
+#endif